Real-Time Kernel Vulnerabilities (CVE-2025-68741 & CVE-2026-23191)

 

Stop chasing CVEs. Learn to check, fix, and mitigate kernel flaws (like CVE-2025-68741) in AlmaLinux/Rocky Linux 8, RHEL. Includes a bash script, iptables backup plan, and a book that teaches you to find zero-days yourself. 

O Rocky Linux 8.4 foi lançado para o RHEL 8.4 / CentOS Alternative

 

Confira !!

Valve torna mais fácil para usuários do Steam Linux rodarem Windows Games em seus PCs

Ela introduziu uma versão melhorada do Steam Play

AlmaLinux 10 Boosts Developer Productivity with Default CRB Repository Enablement

 

AlmaLinux 10 enables its CRB repository by default, streamlining developer workflows and enhancing RHEL compatibility. Discover how this strategic change boosts software development, simplifies EPEL integration, and strengthens this leading enterprise Linux OS.

A Red Hat está agora limitando as fontes RHEL ao fluxo do CentOS

 

A Red Hat anunciou hoje uma mudança significativa que pode afetar alguns usuários e desenvolvedores da comunidade Linux. A partir de agora, o CentOS Stream será o único repositório para lançamentos públicos de código-fonte relacionados ao Red Hat Enterprise Linux (RHEL). No entanto, os clientes pagantes da Red Hat ainda terão acesso às fontes RHEL apropriadas por meio do Red Hat Customer Portal.

Linux Kernel Security: How to Handle NVIDIA Tegra Vulnerabilities (Without Panic)

 

Stop chasing kernel patch dates. Learn how to check, fix, and mitigate Linux NVIDIA Tegra vulnerabilities (like USN-8187-1) on Ubuntu, Rocky, and SUSE — with automation scripts, no-update workarounds, and a book that pays for itself.

Firefox “Infinite Script Execution” on Linux: The DoS Risk That Won’t Go Away (And How to Actually Fix It)

 

Firefox infinite script execution DoS on Linux (CVE-2026-33416). Check your version on Ubuntu, Rocky, or SUSE. Automation script, iptables fallback, Docker lab, and one book to fix it forever.

Linux Kernel Security Update Guide: From Detection to Mitigation

 

Master Linux kernel vulnerability management with practical commands for Ubuntu . Includes an automation script, iptables fallback, a hands-on lab, and a recommended security book. Stay secure for months, not just today.

.NET Security: Stop SMTP Injection & Stack Overflows (Works Today & Next Year)

 

Your .NET 8.0 apps might be wide open to SMTP injection and stack overflow attacks. No matter when you read this, here are the exact commands to check, patch, or block CVE-2026-32178 and friends on Ubuntu, Rocky, and SUSE – plus a script to automate the fix.

The libpng16 Use-After-Free Bug: How to Check, Fix, or Block It (Works on Ubuntu, Rocky Linux, SUSE)

 

Use-after-free in libpng16 (CVE-2026-33416) allows remote code execution via malformed PNGs. Learn to check, patch, or block attacks on Ubuntu, Rocky, SUSE. Includes automation script and AppArmor mitigation.

Flatpak: Como se proteger contra falhas de segurança no sandbox (guia definitivo)

 

Em março de 2026, foram divulgadas correções importantes para o Flatpak. Mas o que importa agora é saber se seu sistema continua seguro – e como agir se você ainda não aplicou as atualizações.